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Under certain conditions, the thrust T of a propeller varies jointly as the fourth power of its diameter d and the square of the number n of revolutions per second. Show that, if n is doubled and d is halved, the thrust T is decreased by 75%.
T = thrust of propeller
d = diameter
n = number
k = constant of proportionality
Is my equation set up correct? If so, I can then take it from here.
T = (d^4)(n^2)k
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agree
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agree
Thanks again. I see that you and Bob are the only two members answering questions. This is great but I would like to see more members involved.
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